12V 9Ah BATTERY APC XS BX1500LCD RBC109 - 2 Pack UPG # 40812 UB1290 12V 9Ah. Pack of 2 Dimensions: 5.94 inches x 2.56 inches x 4.06 inches. Weight: 5.17 Lbs SLA/AGM maintenance free, spill proof battery Rechargeable battery that can be mounted in any position, resists shocks and vibration 1 Year Warranty